The following map shows the time it takes to drive between four cities in Texas. Jacob has to drive from San Antonio to Houston, and then from Houston to Dallas. How many hours will it take him? The picture is supposed to be right here

7 2/15 hours
7 5/12 hours
4 7/12 hours
7 hours

But I choose 7 5/12 Is this correct?

Polynomial that can be factored as (3x-4)(3x+4)

Monitors manufactured by tsi electronics have life spans that have a normal distribution with a standard deviation of 1800 hours and a mean life span of 20,000 hours. if a monitor is selected at random, find the probability that the life span of the monitor will be more than 17,659 hours. round your answer to four decimal places.

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?